VCC VCC
| |
+12V o----+-------[R1 10k]-------+-------o--------+------[R2 4.7k]---+----o OUT1 +5V o----+-------[R7 1k]--------+-------o--------+------[R8 2.2k]----------+----o OUT2
| | | | | | | | | |
=== .-. | === | === .-. | === |
=== C1 | | _|_ === C2 | === C5 | | _|_ === C6 |
=== 100uF | | R3 \ / === 10uF | === 47uF | | R9 \ / === 22uF |
| '-' -+- | | | '-' -+- | |
| | | | | | | | | |
+---------+----------+-----------+-------+----|>|--+ | +---------------+----------+-----------+-------+----|>|--+ |
| | | | | D1 | | | | | | | D3 | |
| | _|_ .-. === | | | | _|_ .-. === | |
| === \ / | | === | | | === \ / | | === | |
| === C3 -+- | | R4 === C4 | | | === C7 -+- | | R10 === C8 | |
| | | '-' | | | | | | '-' | | |
| | | | | | | | | | | | | |
+---------+----||----+-----------+-------+---------+----[L1 10mH]----+ +---------------+----||----+-----------+-------+---------+----[L2 22mH]-----------+
| C9 | | | | | | C10 | | | | |
| | .-. | .-. | | | .-. | .-. |
_|_ === | | _|_ | | | _|_ === | | _|_ | | |
\ / === C10 | | R5 \ / | | R6 | \ / === C11 | | R11 \ / | | R12 |
-+- | '-' -+- '-' | -+- | '-' -+- '-' |
| | | | | | | | | | | |
+---------+----------+-----------+-------+---------+-----------------+ +---------------+----------+-----------+-------+---------+------------------------+
| | | |
| +--------+ +--------+ +--------+ +--------+ | | +--------+ +--------+ +--------+ +--------+ |
| | IC1 | | IC2 | | IC3 | | IC4 | | | | IC5 | | IC6 | | IC7 | | IC8 | |
| | LM7805 | | NE555 | | LM358 | | CD4017 | | | | LM7812 | | TL072 | | LM393 | | CD4060 | |
| +---+----+ +---+----+ +---+----+ +---+----+ | | +---+----+ +---+----+ +---+----+ +---+----+ |
| | | | | | | | | | | |
+--------+-------------+-------------+-------------+-----------------+ +--------+-------------+-------------+-------------+------------------------------+
| | | | | | | | | |
GND GND GND GND GND GND GND GND GND GND
+----------------+
.----. .----. .----. .----. | BATTERY |
( SPKR ) ( LED1 ) ( LED2 ) ( LED3 ) | MANAGEMENT |
'----' '----' '----' '----' | SYSTEM |
|| | | | +-------+--------+
+----------------++----------------------+-------+---------------+-------+---------------+-------+ |
| | | | +-------+--------+
| +---[R13]---+ +---[R14]---+ +---[R15]--+ +---[R16]---+ | +---[R17]---+ | | CELL BANK |
| | | | | | | | | | | | | | +--+ +--+ +--+ |
| .-. .-. .-. .-. .-. .-. .-. .-. | .-. .-. | | |C1| |C2| |C3| |
| | | | | | | | | | | | | | | | | | | | | | | | +--+ +--+ +--+ |
| | | R18 | | | | R19 | | | | R20 | | | | R21 | | | | | R22 | | | | +--+ +--+ +--+ |
| '-' '-' '-' '-' '-' '-' '-' '-' | '-' '-' | | |C4| |C5| |C6| |
| | | | | | | | | | | | | | +--+ +--+ +--+ |
| +-----+-----+ +-----+-----+ +----+-----+ +-----+-----+ | +-----+-----+ | +----------------+
| | | | | | | | |
+---------+-----+----------+----+----------+-----+----------+------------+----------+------------+-----------------------+
| | | | |
_|_ _|_ _|_ _|_ |
\ / \ / \ / \ / |
-+- -+- -+- -+- |
| | | | |
+------+--------+----+----------+-----+----------+-----+----------------------------+------------------------------------+
| | | | | |
| === === === === .--------. |
| === === === === | SOLAR | |
| | | | | | MPPT | |
| | | | | | CHARGER | |
+------+-----+-------+--------+-------+--------+-------+ '----+----' |
| | | | |
+----[FUSE]------+----[FUSE]------+----[FUSE]-------------------------+-------------------------------------+
|
+------------------------------------------+---------------------------------------+-------------------------------------+
| | | |
| +-------------+ +-----------+----------+ +---------+ | +-------------+ |
| | INVERTER | | CHARGE CONTROLLER | | BMS | | | DC-DC | |
| | 12V-120V | | MPPT 60A | | 48V 100A| | | CONVERTER | |
| +------+------+ +-----------+----------+ +----+----+ | +------+------+ |
| | | | | | |
+-------------+----------------------------+-------------------------+-------------+--------------+----------------------+
| | | |
~~~ ~~~ ~~~ ~~~
AC OUT SOLAR IN BATTERY 12V OUT
VCC VCC
| |
+12V o----+-------[R1 10k]-------+-------o--------+------[R2 4.7k]---+----o OUT1 +5V o----+-------[R7 1k]--------+-------o--------+------[R8 2.2k]----------+----o OUT2
| | | | | | | | | |
=== .-. | === | === .-. | === |
=== C1 | | _|_ === C2 | === C5 | | _|_ === C6 |
=== 100uF | | R3 \ / === 10uF | === 47uF | | R9 \ / === 22uF |
| '-' -+- | | | '-' -+- | |
| | | | | | | | | |
+---------+----------+-----------+-------+----|>|--+ | +---------------+----------+-----------+-------+----|>|--+ |
| | | | | D1 | | | | | | | D3 | |
| | _|_ .-. === | | | | _|_ .-. === | |
| === \ / | | === | | | === \ / | | === | |
| === C3 -+- | | R4 === C4 | | | === C7 -+- | | R10 === C8 | |
| | | '-' | | | | | | '-' | | |
| | | | | | | | | | | | | |
+---------+----||----+-----------+-------+---------+----[L1 10mH]----+ +---------------+----||----+-----------+-------+---------+----[L2 22mH]-----------+
| C9 | | | | | | C10 | | | | |
| | .-. | .-. | | | .-. | .-. |
_|_ === | | _|_ | | | _|_ === | | _|_ | | |
\ / === C10 | | R5 \ / | | R6 | \ / === C11 | | R11 \ / | | R12 |
-+- | '-' -+- '-' | -+- | '-' -+- '-' |
| | | | | | | | | | | |
+---------+----------+-----------+-------+---------+-----------------+ +---------------+----------+-----------+-------+---------+------------------------+
| | | |
| +--------+ +--------+ +--------+ +--------+ | | +--------+ +--------+ +--------+ +--------+ |
| | IC1 | | IC2 | | IC3 | | IC4 | | | | IC5 | | IC6 | | IC7 | | IC8 | |
| | LM7805 | | NE555 | | LM358 | | CD4017 | | | | LM7812 | | TL072 | | LM393 | | CD4060 | |
| +---+----+ +---+----+ +---+----+ +---+----+ | | +---+----+ +---+----+ +---+----+ +---+----+ |
| | | | | | | | | | | |
+--------+-------------+-------------+-------------+-----------------+ +--------+-------------+-------------+-------------+------------------------------+
| | | | | | | | | |
GND GND GND GND GND GND GND GND GND GND
+----------------+
.----. .----. .----. .----. | BATTERY |
( SPKR ) ( LED1 ) ( LED2 ) ( LED3 ) | MANAGEMENT |
'----' '----' '----' '----' | SYSTEM |
|| | | | +-------+--------+
+----------------++----------------------+-------+---------------+-------+---------------+-------+ |
| | | | +-------+--------+
| +---[R13]---+ +---[R14]---+ +---[R15]--+ +---[R16]---+ | +---[R17]---+ | | CELL BANK |
| | | | | | | | | | | | | | +--+ +--+ +--+ |
| .-. .-. .-. .-. .-. .-. .-. .-. | .-. .-. | | |C1| |C2| |C3| |
| | | | | | | | | | | | | | | | | | | | | | | | +--+ +--+ +--+ |
| | | R18 | | | | R19 | | | | R20 | | | | R21 | | | | | R22 | | | | +--+ +--+ +--+ |
| '-' '-' '-' '-' '-' '-' '-' '-' | '-' '-' | | |C4| |C5| |C6| |
| | | | | | | | | | | | | | +--+ +--+ +--+ |
| +-----+-----+ +-----+-----+ +----+-----+ +-----+-----+ | +-----+-----+ | +----------------+
| | | | | | | | |
+---------+-----+----------+----+----------+-----+----------+------------+----------+------------+-----------------------+
| | | | |
_|_ _|_ _|_ _|_ |
\ / \ / \ / \ / |
-+- -+- -+- -+- |
| | | | |
+------+--------+----+----------+-----+----------+-----+----------------------------+------------------------------------+
| | | | | |
| === === === === .--------. |
| === === === === | SOLAR | |
| | | | | | MPPT | |
| | | | | | CHARGER | |
+------+-----+-------+--------+-------+--------+-------+ '----+----' |
| | | | |
+----[FUSE]------+----[FUSE]------+----[FUSE]-------------------------+-------------------------------------+
|
+------------------------------------------+---------------------------------------+-------------------------------------+
| | | |
| +-------------+ +-----------+----------+ +---------+ | +-------------+ |
| | INVERTER | | CHARGE CONTROLLER | | BMS | | | DC-DC | |
| | 12V-120V | | MPPT 60A | | 48V 100A| | | CONVERTER | |
| +------+------+ +-----------+----------+ +----+----+ | +------+------+ |
| | | | | | |
+-------------+----------------------------+-------------------------+-------------+--------------+----------------------+
| | | |
~~~ ~~~ ~~~ ~~~
AC OUT SOLAR IN BATTERY 12V OUT
VCC VCC
| |
+12V o----+-------[R1 10k]-------+-------o--------+------[R2 4.7k]---+----o OUT1 +5V o----+-------[R7 1k]--------+-------o--------+------[R8 2.2k]----------+----o OUT2
| | | | | | | | | |
=== .-. | === | === .-. | === |
=== C1 | | _|_ === C2 | === C5 | | _|_ === C6 |
=== 100uF | | R3 \ / === 10uF | === 47uF | | R9 \ / === 22uF |
| '-' -+- | | | '-' -+- | |
| | | | | | | | | |
+---------+----------+-----------+-------+----|>|--+ | +---------------+----------+-----------+-------+----|>|--+ |
| | | | | D1 | | | | | | | D3 | |
| | _|_ .-. === | | | | _|_ .-. === | |
| === \ / | | === | | | === \ / | | === | |
| === C3 -+- | | R4 === C4 | | | === C7 -+- | | R10 === C8 | |
| | | '-' | | | | | | '-' | | |
| | | | | | | | | | | | | |
+---------+----||----+-----------+-------+---------+----[L1 10mH]----+ +---------------+----||----+-----------+-------+---------+----[L2 22mH]-----------+
| C9 | | | | | | C10 | | | | |
| | .-. | .-. | | | .-. | .-. |
_|_ === | | _|_ | | | _|_ === | | _|_ | | |
\ / === C10 | | R5 \ / | | R6 | \ / === C11 | | R11 \ / | | R12 |
-+- | '-' -+- '-' | -+- | '-' -+- '-' |
| | | | | | | | | | | |
+---------+----------+-----------+-------+---------+-----------------+ +---------------+----------+-----------+-------+---------+------------------------+
| | | |
| +--------+ +--------+ +--------+ +--------+ | | +--------+ +--------+ +--------+ +--------+ |
| | IC1 | | IC2 | | IC3 | | IC4 | | | | IC5 | | IC6 | | IC7 | | IC8 | |
| | LM7805 | | NE555 | | LM358 | | CD4017 | | | | LM7812 | | TL072 | | LM393 | | CD4060 | |
| +---+----+ +---+----+ +---+----+ +---+----+ | | +---+----+ +---+----+ +---+----+ +---+----+ |
| | | | | | | | | | | |
+--------+-------------+-------------+-------------+-----------------+ +--------+-------------+-------------+-------------+------------------------------+
| | | | | | | | | |
GND GND GND GND GND GND GND GND GND GND
+----------------+
.----. .----. .----. .----. | BATTERY |
( SPKR ) ( LED1 ) ( LED2 ) ( LED3 ) | MANAGEMENT |
'----' '----' '----' '----' | SYSTEM |
|| | | | +-------+--------+
+----------------++----------------------+-------+---------------+-------+---------------+-------+ |
| | | | +-------+--------+
| +---[R13]---+ +---[R14]---+ +---[R15]--+ +---[R16]---+ | +---[R17]---+ | | CELL BANK |
| | | | | | | | | | | | | | +--+ +--+ +--+ |
| .-. .-. .-. .-. .-. .-. .-. .-. | .-. .-. | | |C1| |C2| |C3| |
| | | | | | | | | | | | | | | | | | | | | | | | +--+ +--+ +--+ |
| | | R18 | | | | R19 | | | | R20 | | | | R21 | | | | | R22 | | | | +--+ +--+ +--+ |
| '-' '-' '-' '-' '-' '-' '-' '-' | '-' '-' | | |C4| |C5| |C6| |
| | | | | | | | | | | | | | +--+ +--+ +--+ |
| +-----+-----+ +-----+-----+ +----+-----+ +-----+-----+ | +-----+-----+ | +----------------+
| | | | | | | | |
+---------+-----+----------+----+----------+-----+----------+------------+----------+------------+-----------------------+
| | | | |
_|_ _|_ _|_ _|_ |
\ / \ / \ / \ / |
-+- -+- -+- -+- |
| | | | |
+------+--------+----+----------+-----+----------+-----+----------------------------+------------------------------------+
| | | | | |
| === === === === .--------. |
| === === === === | SOLAR | |
| | | | | | MPPT | |
| | | | | | CHARGER | |
+------+-----+-------+--------+-------+--------+-------+ '----+----' |
| | | | |
+----[FUSE]------+----[FUSE]------+----[FUSE]-------------------------+-------------------------------------+
|
+------------------------------------------+---------------------------------------+-------------------------------------+
| | | |
| +-------------+ +-----------+----------+ +---------+ | +-------------+ |
| | INVERTER | | CHARGE CONTROLLER | | BMS | | | DC-DC | |
| | 12V-120V | | MPPT 60A | | 48V 100A| | | CONVERTER | |
| +------+------+ +-----------+----------+ +----+----+ | +------+------+ |
| | | | | | |
+-------------+----------------------------+-------------------------+-------------+--------------+----------------------+
| | | |
~~~ ~~~ ~~~ ~~~
AC OUT SOLAR IN BATTERY 12V OUT
VCC VCC
| |
+12V o----+-------[R1 10k]-------+-------o--------+------[R2 4.7k]---+----o OUT1 +5V o----+-------[R7 1k]--------+-------o--------+------[R8 2.2k]----------+----o OUT2
| | | | | | | | | |
=== .-. | === | === .-. | === |
=== C1 | | _|_ === C2 | === C5 | | _|_ === C6 |
=== 100uF | | R3 \ / === 10uF | === 47uF | | R9 \ / === 22uF |
| '-' -+- | | | '-' -+- | |
| | | | | | | | | |
+---------+----------+-----------+-------+----|>|--+ | +---------------+----------+-----------+-------+----|>|--+ |
| | | | | D1 | | | | | | | D3 | |
| | _|_ .-. === | | | | _|_ .-. === | |
| === \ / | | === | | | === \ / | | === | |
| === C3 -+- | | R4 === C4 | | | === C7 -+- | | R10 === C8 | |
| | | '-' | | | | | | '-' | | |
| | | | | | | | | | | | | |
+---------+----||----+-----------+-------+---------+----[L1 10mH]----+ +---------------+----||----+-----------+-------+---------+----[L2 22mH]-----------+
| C9 | | | | | | C10 | | | | |
| | .-. | .-. | | | .-. | .-. |
_|_ === | | _|_ | | | _|_ === | | _|_ | | |
\ / === C10 | | R5 \ / | | R6 | \ / === C11 | | R11 \ / | | R12 |
-+- | '-' -+- '-' | -+- | '-' -+- '-' |
| | | | | | | | | | | |
+---------+----------+-----------+-------+---------+-----------------+ +---------------+----------+-----------+-------+---------+------------------------+
| | | |
| +--------+ +--------+ +--------+ +--------+ | | +--------+ +--------+ +--------+ +--------+ |
| | IC1 | | IC2 | | IC3 | | IC4 | | | | IC5 | | IC6 | | IC7 | | IC8 | |
| | LM7805 | | NE555 | | LM358 | | CD4017 | | | | LM7812 | | TL072 | | LM393 | | CD4060 | |
| +---+----+ +---+----+ +---+----+ +---+----+ | | +---+----+ +---+----+ +---+----+ +---+----+ |
| | | | | | | | | | | |
+--------+-------------+-------------+-------------+-----------------+ +--------+-------------+-------------+-------------+------------------------------+
| | | | | | | | | |
GND GND GND GND GND GND GND GND GND GND
+----------------+
.----. .----. .----. .----. | BATTERY |
( SPKR ) ( LED1 ) ( LED2 ) ( LED3 ) | MANAGEMENT |
'----' '----' '----' '----' | SYSTEM |
|| | | | +-------+--------+
+----------------++----------------------+-------+---------------+-------+---------------+-------+ |
| | | | +-------+--------+
| +---[R13]---+ +---[R14]---+ +---[R15]--+ +---[R16]---+ | +---[R17]---+ | | CELL BANK |
| | | | | | | | | | | | | | +--+ +--+ +--+ |
| .-. .-. .-. .-. .-. .-. .-. .-. | .-. .-. | | |C1| |C2| |C3| |
| | | | | | | | | | | | | | | | | | | | | | | | +--+ +--+ +--+ |
| | | R18 | | | | R19 | | | | R20 | | | | R21 | | | | | R22 | | | | +--+ +--+ +--+ |
| '-' '-' '-' '-' '-' '-' '-' '-' | '-' '-' | | |C4| |C5| |C6| |
| | | | | | | | | | | | | | +--+ +--+ +--+ |
| +-----+-----+ +-----+-----+ +----+-----+ +-----+-----+ | +-----+-----+ | +----------------+
| | | | | | | | |
+---------+-----+----------+----+----------+-----+----------+------------+----------+------------+-----------------------+
| | | | |
_|_ _|_ _|_ _|_ |
\ / \ / \ / \ / |
-+- -+- -+- -+- |
| | | | |
+------+--------+----+----------+-----+----------+-----+----------------------------+------------------------------------+
| | | | | |
| === === === === .--------. |
| === === === === | SOLAR | |
| | | | | | MPPT | |
| | | | | | CHARGER | |
+------+-----+-------+--------+-------+--------+-------+ '----+----' |
| | | | |
+----[FUSE]------+----[FUSE]------+----[FUSE]-------------------------+-------------------------------------+
|
+------------------------------------------+---------------------------------------+-------------------------------------+
| | | |
| +-------------+ +-----------+----------+ +---------+ | +-------------+ |
| | INVERTER | | CHARGE CONTROLLER | | BMS | | | DC-DC | |
| | 12V-120V | | MPPT 60A | | 48V 100A| | | CONVERTER | |
| +------+------+ +-----------+----------+ +----+----+ | +------+------+ |
| | | | | | |
+-------------+----------------------------+-------------------------+-------------+--------------+----------------------+
| | | |
~~~ ~~~ ~~~ ~~~
AC OUT SOLAR IN BATTERY 12V OUT
🔒 Your Privacy Matters
Doodle A Day is designed with privacy first. Your doodles and personal data stay on your device — we don't collect, store, or have access to your content.
Information We Don't Collect
- Your doodles and drawings
- Your notes and journal entries
- Your mood selections
- Your personal information
- Your location data
- Your contacts or photos
All your content is stored locally on your device using Apple's secure storage systems.
Information That May Be Collected
The free version of Doodle A Day displays advertisements provided by third-party ad networks. These networks may collect:
- Device identifiers for ad personalization
- General location (country/region) for relevant ads
- App usage data for ad frequency
You can limit ad tracking in your device's Settings > Privacy > Tracking.
Doodle A Day Pro (paid version) does not display ads and therefore does not involve any third-party data collection.
Apple Services
We use the following Apple services:
- App Store: For processing purchases of Doodle A Day Pro
- StoreKit: For managing in-app purchases
These services are governed by Apple's Privacy Policy.
Data Storage
All your doodles, moods, and notes are stored locally on your device. If you delete the app, your data will be permanently deleted.
We recommend using your device's backup features (iCloud or local backup) to preserve your data.
Data Sharing
We do not sell, trade, or share your personal data with third parties.
When you use the export/share feature, you control where your content is shared. We do not have access to or retain copies of shared content.
Children's Privacy
Doodle A Day is suitable for users of all ages (rated 4+). We do not knowingly collect personal information from children. The app does not require account creation or personal information to use.
Your Rights
Since your data is stored locally on your device, you have complete control over it. You can:
- View all your content within the app
- Delete individual entries or all data
- Export your doodles at any time
- Uninstall the app to remove all data
Changes to This Policy
We may update this Privacy Policy occasionally. We will notify you of significant changes through the app or App Store update notes.